Toyota Corolla (E120): Power door lock control system

Symptom

Suspected area

All doors are not operated by driver’s door key cylinder interlocked with key
  1. Door lock control switch
  2. Front door lock assy lh
  3.  Wire harness
  4. Integration relay
Key confinement prevention function does not work properly (unlock warning switch circuit)
  1. Un–lock warning switch assy
  2. Front door courtesy lamp switch assy
  3.  Wire harness
  4.  Integration relay
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Other materials:

Ecm/pcm processor
Dtc p0606 ecm/pcm processor Monitor description The ecm continuously monitors its internal circuits. This self–check insures that the ecm is functioning properly. If a malfunction is detected, the ecm will set the appropriate dtc and illuminate the mil. The two cpus, main and sub cpu i ...

Inspection procedure
1 Inspect terminal voltage(od – body ground) Disconnect the cruise control ecu connector.  turn the ignition switch to the on position.  measure the voltage between terminal od of cruise control ecu and body ground. Standard: 2 Inspect terminal voltage(od1 – bod ...

Replacement
Hint: installation is in the reverse order of the removal. But the installation is indicated only when it has a point. 1. Remove luggage compartment door cover 2. Remove rear spoiler  remove the 2 screws.  disconnect the wire harness connector.  put protective tape. &nb ...